CVE-2021-47001

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 54.6% of scored records. A rank, not a probability.

NVD base score

4.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-08-04.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-02-28 08:13Z2 YR AGO

Last updated

2026-08-05 08:45Z2 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

ddd8240fb27b0d9bbd81c33fbe09354182b23f7d092bd4d14ebd45d7a434c093

• git.kernel.orghttps://git.kernel.org/stable/c/eddae8be7944096419c2ae29477a45f767d0fcd4
• git.kernel.orghttps://git.kernel.org/stable/c/8834ecb5df22b7ff3c9b0deba7726579bb613f95
• git.kernel.orghttps://git.kernel.org/stable/c/19b5fa9489b5706bc878c3a522a7f771079e2fa0
• git.kernel.orghttps://git.kernel.org/stable/c/35d8b10a25884050bb3b0149b62c3818ec59f77c
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20250411-0001/